EP0356188A3 - Die stamping system - Google Patents

Die stamping system Download PDF

Info

Publication number
EP0356188A3
EP0356188A3 EP19890308465 EP89308465A EP0356188A3 EP 0356188 A3 EP0356188 A3 EP 0356188A3 EP 19890308465 EP19890308465 EP 19890308465 EP 89308465 A EP89308465 A EP 89308465A EP 0356188 A3 EP0356188 A3 EP 0356188A3
Authority
EP
European Patent Office
Prior art keywords
die stamping
stamping system
die
stamping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19890308465
Other versions
EP0356188A2 (en
EP0356188B1 (en
Inventor
Bernhard Joseph Wallis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WALLIS, BERNARD JOSEPH
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0356188A2 publication Critical patent/EP0356188A2/en
Publication of EP0356188A3 publication Critical patent/EP0356188A3/en
Application granted granted Critical
Publication of EP0356188B1 publication Critical patent/EP0356188B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/16—Shoulder or burr prevention, e.g. fine-blanking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2096—Means to move product out of contact with tool
    • Y10T83/2122—By ejector within a hollow cutter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2096—Means to move product out of contact with tool
    • Y10T83/2122—By ejector within a hollow cutter
    • Y10T83/2133—By resiliently biased ejector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2096—Means to move product out of contact with tool
    • Y10T83/2135—Moving stripper timed with tool stroke
    • Y10T83/215—Carried by moving tool element or its support
    • Y10T83/2153—Fluid pressure actuated stripper

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Control Of Presses (AREA)
EP89308465A 1988-08-24 1989-08-21 Die stamping system Expired - Lifetime EP0356188B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/235,957 US4934230A (en) 1988-08-24 1988-08-24 Die stamping system
US235957 1994-05-02

Publications (3)

Publication Number Publication Date
EP0356188A2 EP0356188A2 (en) 1990-02-28
EP0356188A3 true EP0356188A3 (en) 1990-11-28
EP0356188B1 EP0356188B1 (en) 1993-03-31

Family

ID=22887556

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89308465A Expired - Lifetime EP0356188B1 (en) 1988-08-24 1989-08-21 Die stamping system

Country Status (5)

Country Link
US (1) US4934230A (en)
EP (1) EP0356188B1 (en)
JP (1) JPH0275422A (en)
CA (1) CA1327158C (en)
DE (1) DE68905711T2 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4951537A (en) * 1988-09-29 1990-08-28 Ace Technology Corporation Apparatus for producing a blank from stock material
US5272902A (en) * 1990-09-06 1993-12-28 Preferred Machining Corporation Domer assembly for metal containers with nitrogen pressure source
WO1992004143A1 (en) * 1990-09-06 1992-03-19 Preferred Machining Corporation Domer assembly for metal containers with nitrogen pressure source
US5197718A (en) * 1990-12-14 1993-03-30 Wallis Bernard J Self-contained gas springs interchangeable with coil springs
SE9101252L (en) 1991-04-24 1992-03-30 Stromsholmens Mek Verkstad GAS SPRINGS WHICH, AFTER PRESSURE, HAVE A PRELIMINARY DEPARTURE TO ORIGINAL LENGTH
US5588641A (en) * 1993-11-26 1996-12-31 Stromsholmens Mekaniska Verkstad Ab Gas spring which after compression has a time delayed return to its original length
DE4436028A1 (en) * 1994-10-08 1996-04-11 Burkhard Oest Gas pressure spring
US5857375A (en) * 1995-05-31 1999-01-12 M. S. Willett, Inc. Can end stripper and part ejector
US5609099A (en) * 1995-10-06 1997-03-11 The Minster Machine Company Press shutheight adjustment mechanism with hydrostatic bearing pads
DE19642635A1 (en) * 1996-03-28 1997-10-02 Horst Baltschun Hydraulically or mechanically driven ram of fine-blanking press
US5799532A (en) * 1996-05-21 1998-09-01 Lewis; Ronald O. Fully contained self adjusting nitrogen binder plate
US5802944A (en) * 1997-04-11 1998-09-08 Livernois Research And Development Company Gas cylinder with internal time delay
US5966981A (en) * 1997-12-01 1999-10-19 Teledyne Industries, Inc. Press assembly
ATE490941T1 (en) * 2004-02-20 2010-12-15 Arol Spa CLOSING HEAD FOR SCREW CAPS
CN101605639B (en) * 2006-11-02 2013-10-16 弗莱克斯电子有限责任公司 Modular power pack assembly
DE102013015180A1 (en) * 2013-09-11 2015-03-12 Webo Werkzeugbau Oberschwaben Gmbh Method and device for precision cutting of workpieces in a press
CN104368702B (en) * 2013-12-26 2016-03-02 襄阳东昇机械有限公司 The time relay is used for double blank drawing die and solves de-material deformation device
CN105013932B (en) * 2015-08-04 2017-11-17 苏州吴江春宇电子股份有限公司 A kind of easily regulation punching cutting mould
CN105598299B (en) * 2015-12-29 2017-05-31 湖南大学 A kind of shaping time-delay mechanism of mould
CN108526270B (en) * 2018-03-26 2020-08-11 宁波高新区新柯保汽车科技有限公司 Motor support stamping equipment
CN108339884A (en) * 2018-03-30 2018-07-31 成都睿达致祥科技有限公司 A kind of diel
CN108672564A (en) * 2018-06-20 2018-10-19 上汽大众汽车有限公司 Delayed ejection mechanism for diel floating workpiece and diel
CN109047544B (en) * 2018-10-22 2020-02-21 江门市新会区金萃金属制品有限公司 Clamp device of punching machine
CN109513835A (en) * 2018-12-18 2019-03-26 芜湖普威技研有限公司 The material ejecting structure of automobile product mold
CN110961512A (en) * 2019-10-26 2020-04-07 嘉兴新博信息科技有限公司 Electromechanical integrated building die stamping device
JP7515157B2 (en) * 2020-06-18 2024-07-12 パスカルエンジニアリング株式会社 Hydrolocking gas spring device and press machine equipped with the device
CN116441470A (en) * 2023-04-19 2023-07-18 盐城市明佳机械有限公司 Parking gear blank precision forging die

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694567A (en) * 1950-12-09 1954-11-16 Baker Brothers Inc Metalworking press
US2918272A (en) * 1959-02-16 1959-12-22 Floyd M Williamson Hydraulic system for controlling the return movement of pressure pads in air cushionpresses
US4583722A (en) * 1984-05-17 1986-04-22 Wallis Bernard J Nitrogen die cylinder
US4688775A (en) * 1985-04-15 1987-08-25 Teledyne Industries, Inc. Self-lubricating die cylinder
US4774865A (en) * 1987-09-22 1988-10-04 Wallis Bernard J Die stamping system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH437970A (en) * 1966-04-15 1967-06-15 Schmid Heinrich Safety device on a punching machine
US3570343A (en) * 1968-10-18 1971-03-16 Dro Systems Inc Di Structure for fine blanking
US3739669A (en) * 1970-05-29 1973-06-19 Suzuki Motor Co Shearing press of opposing die type
DE3324680A1 (en) * 1983-07-08 1985-01-24 DAKO-Werkzeugfabriken David Kotthaus GmbH & Co KG, 5630 Remscheid METHOD FOR FINE CUTTING WORKPIECES AND FINE CUTTING TOOL FOR EXERCISING THE METHOD

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694567A (en) * 1950-12-09 1954-11-16 Baker Brothers Inc Metalworking press
US2918272A (en) * 1959-02-16 1959-12-22 Floyd M Williamson Hydraulic system for controlling the return movement of pressure pads in air cushionpresses
US4583722A (en) * 1984-05-17 1986-04-22 Wallis Bernard J Nitrogen die cylinder
US4688775A (en) * 1985-04-15 1987-08-25 Teledyne Industries, Inc. Self-lubricating die cylinder
US4774865A (en) * 1987-09-22 1988-10-04 Wallis Bernard J Die stamping system

Also Published As

Publication number Publication date
EP0356188A2 (en) 1990-02-28
CA1327158C (en) 1994-02-22
DE68905711T2 (en) 1993-07-08
EP0356188B1 (en) 1993-03-31
JPH0275422A (en) 1990-03-15
US4934230A (en) 1990-06-19
DE68905711D1 (en) 1993-05-06

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